7026 ACD/P4ADGC
7000 Series Super Precision Angular Contact Ball Bearings
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7026 ACD/P4ADGC Bearing Product Overview & Core Advantages
The 7026 ACD/P4ADGC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-loaded duplex set, it delivers superior performance in handling combined radial and axial loads. Manufactured to P4A tolerance class with a 25° contact angle and moderate preload (Class C), this bearing is engineered for high-speed operation, exceptional dimensional stability, and long-term reliability in precision machinery.
7026 ACD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle |
| D | Duplex arrangement - two bearings supplied as a pre-loaded set |
| P4A | High precision tolerance class with enhanced running accuracy |
| DGC | Universal Matchable (SU) designation - bearings can be arranged in various configurations |
7026 ACD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex arrangement with moderate preload (Class C) provides exceptional system stiffness, enabling the bearing to handle significant combined radial and axial loads (Dynamic: 51,525 lbf, Static: 67,500 lbf). The optimized 25° contact angle ensures efficient axial load transmission.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional tolerances (bore/OD: -0.004mm to 0), this bearing guarantees superior running accuracy and minimal vibration. The phenolic cage contributes to smooth operation at high speeds.
High-Speed Capability: With a limiting speed of 11,000 rpm, the bearing features an optimized internal design with 21 high-precision chrome steel balls (22.225 mm diameter) and a lightweight phenolic cage to minimize centrifugal forces.
Universal Matching Flexibility: As Universal Matchable (SU) bearings, they can be arranged in back-to-back (DB), face-to-face (DF), or tandem (DT) configurations to suit specific application requirements for rigidity and moment load capacity.
7026 ACD/P4ADGC Bearing Typical Application Areas
- Machine Tool Spindles - High-precision milling, grinding, and turning centers
- Precision Gearboxes - Industrial transmission systems requiring high rigidity
- High-Speed Motors - Electric motors and generators operating at elevated speeds
- Medical Equipment - CT scanners, dental drills, and laboratory instrumentation
- Aerospace Systems - Flight control mechanisms and auxiliary power units
- Robotics & Automation - Precision robotic arms and CNC positioning systems
